11122211022222 has 16 divisors (see below), whose sum is σ = 22257111410640. Its totient is φ = 3705288779712.

The previous prime is 11122211022161. The next prime is 11122211022239. The reversal of 11122211022222 is 22222011222111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528712197 + ... + 528733232.

It is an arithmetic number, because the mean of its divisors is an integer number (1391069463165).

Almost surely, 2^{11122211022222} is an apocalyptic number.

11122211022222 is an abundant number, since it is smaller than the sum of its proper divisors (11134900388418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11122211022222 is a wasteful number, since it uses less digits than its factorization.

11122211022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057447187.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11122211022222 its reverse (22222011222111), we get a palindrome (33344222244333).

The spelling of 11122211022222 in words is "eleven trillion, one hundred twenty-two billion, two hundred eleven million, twenty-two thousand, two hundred twenty-two".